/* 返回按钮  */
.back-box {
    display: inline-block;
    margin-top: 1em;
    margin-left: 1em;
}

.back-box > .back-btn {
    font-size: 22px;
    color: #e38d13;
    text-decoration: none;
    /*font-weight: bolder;*/
}
/* 设置内容  */
.setting-box {
    text-align: center;
}

.setting-box > form > div:not(:last-child) {
    margin-bottom: 2em;
}

.setting-box > form label {
    font-size: 20px !important;
}

.setting-box > form > div:last-child > div > button {
    width: 15vw;
}

.message {
    width: 50%;
    display: none;
    margin-left: auto;
    margin-right: auto;
}